Nature’s Ocean Bio-Activ Live Aragonite Black Beach Live Sand 10LBS (Grain size: 0.5-1.7mm). Premium Live Aragonite Sand for Aquariums; Collected in its natural environment and packaged in its natural state (U.S. Patent #’s: 6,376,299 & 6,939,708); Just place in tank, add saltwater (for Absolute best results use Nutri-Seawater) then add fish, no waiting required; Instant ammonia cycling; Best for most applications (aside from Under gravel filters)For Absolute best Results Use as Follows: Use at least 1 pound of Bio-Activ Live Aragonite per gallon of saltwater. Setup filtering system and make allowance it to circulate. All over the first month, introduce not more than 1 inch of fish per 5 gallon of saltwater.
Straight away gets rid of nitrogenous waste (Ammonia, Nitrite and helps put off Nitrate)
Instant Cycling guaranteed; No Waiting Just Add Fish
Reduces harmful nitrate
Maintains proper pH
Provides enhanced buffering capacity